Fig. 157. I'diicilliuin striatum Raper and Feiinell, NRRL 717. .1 and B, Two- 

 week-old colonies on Czapek and malt agars. C, Perithecia as seen on corn meal 

 agar, X 30. D, Crushed perithecium with asci escaping through the loose hyphal 

 envelope which bounds the perithecium, X 450. E, Asci in various stages of develop- 

 ment showing their terminal origin on sliort branches from the fertile hyphae, X 900. 

 F , Ripe ascospores showing the prominent longitudinal frills which characterize this 

 species, X 1500. 



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